The Spokesman-Review, Spokane, Wash. Eli Francovich, The Spokesman-Review, Spokane, Wash. Nov. 14—Obscured by the fog of deep time — an incomprehensible 250 million years ago — two organisms formed a ...

Mosses and lichens quietly shape the world around us. Hidden in the shaded corners of forests, draped across stone, and even tucked into city sidewalks, mosses and lichens quietly shape the world ...

image: During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the ...

One day last week I went to the Phoenixville area to do a hummingbird program, and it was interesting to see how more advanced the plants and trees along Route 100 South were than those back home.

Giovanna Bishop will present her findings on Tuesday Nov. 23. The presentation will be held on Zoom. For more information visit dishmanhills.org/events-list ...

During the Ordovician period, the concentration of carbon dioxide in Earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the ...